<?php
/**
 * Smarty Internal Plugin Compile Registered Block
 *
 * Compiles code for the execution of a registered block function
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Registered Block Class
 *
 * @package    Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Private_Registered_Block extends Smarty_Internal_CompileBase {

	/**
	 * Attribute definition: Overwrites base class.
	 *
	 * @var array
	 * @see Smarty_Internal_CompileBase
	 */
	public $optional_attributes = array('_any');

	/**
	 * Compiles code for the execution of a block function
	 *
	 * @param array  $args      array with attributes from parser
	 * @param object $compiler  compiler object
	 * @param array  $parameter array with compilation parameter
	 * @param string $tag       name of block function
	 *
	 * @return string compiled code
	 */
	public function compile($args, $compiler, $parameter, $tag) {
		if (!isset($tag[5]) || substr($tag, -5) != 'close')
		{
			// opening tag of block plugin
			// check and get attributes
			$_attr = $this->getAttributes($compiler, $args);
			if ($_attr['nocache'])
			{
				$compiler->tag_nocache = true;
			}
			unset($_attr['nocache']);
			if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$tag]))
			{
				$tag_info = $compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$tag];
			}
			else
			{
				$tag_info = $compiler->default_handler_plugins[Smarty::PLUGIN_BLOCK][$tag];
			}
			// convert attributes into parameter array string
			$_paramsArray = array();
			foreach ($_attr as $_key => $_value)
			{
				if (is_int($_key))
				{
					$_paramsArray[] = "$_key=>$_value";
				}
				elseif ($compiler->template->caching && in_array($_key, $tag_info[2]))
				{
					$_value = str_replace("'", "^#^", $_value);
					$_paramsArray[] = "'$_key'=>^#^.var_export($_value,true).^#^";
				}
				else
				{
					$_paramsArray[] = "'$_key'=>$_value";
				}
			}
			$_params = 'array(' . implode(",", $_paramsArray) . ')';

			$this->openTag($compiler, $tag, array($_params, $compiler->nocache));
			// maybe nocache because of nocache variables or nocache plugin
			$compiler->nocache = !$tag_info[1] | $compiler->nocache | $compiler->tag_nocache;
			$function = $tag_info[0];
			// compile code
			if (!is_array($function))
			{
				$output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
			}
			else if (is_object($function[0]))
			{
				$output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}', {$_params}); \$_block_repeat=true; echo \$_smarty_tpl->smarty->registered_plugins['block']['{$tag}'][0][0]->{$function[1]}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
			}
			else
			{
				$output = "<?php \$_smarty_tpl->smarty->_tag_stack[] = array('{$tag}', {$_params}); \$_block_repeat=true; echo {$function[0]}::{$function[1]}({$_params}, null, \$_smarty_tpl, \$_block_repeat);while (\$_block_repeat) { ob_start();?>";
			}
		}
		else
		{
			// must endblock be nocache?
			if ($compiler->nocache)
			{
				$compiler->tag_nocache = true;
			}
			$base_tag = substr($tag, 0, -5);
			// closing tag of block plugin, restore nocache
			list($_params, $compiler->nocache) = $this->closeTag($compiler, $base_tag);
			// This tag does create output
			$compiler->has_output = true;
			if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag]))
			{
				$function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag][0];
			}
			else
			{
				$function = $compiler->default_handler_plugins[Smarty::PLUGIN_BLOCK][$base_tag][0];
			}
			// compile code
			if (!isset($parameter['modifier_list']))
			{
				$mod_pre = $mod_post = '';
			}
			else
			{
				$mod_pre = ' ob_start(); ';
				$mod_post = 'echo ' . $compiler->compileTag('private_modifier', array(), array('modifierlist' => $parameter['modifier_list'], 'value' => 'ob_get_clean()')) . ';';
			}
			if (!is_array($function))
			{
				$output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre . " echo {$function}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat);" . $mod_post . " } array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";
			}
			else if (is_object($function[0]))
			{
				$output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre . " echo \$_smarty_tpl->smarty->registered_plugins['block']['{$base_tag}'][0][0]->{$function[1]}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " . $mod_post . "} array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";
			}
			else
			{
				$output = "<?php \$_block_content = ob_get_clean(); \$_block_repeat=false;" . $mod_pre . " echo {$function[0]}::{$function[1]}({$_params}, \$_block_content, \$_smarty_tpl, \$_block_repeat); " . $mod_post . "} array_pop(\$_smarty_tpl->smarty->_tag_stack);?>";
			}
		}

		return $output . "\n";
	}

}

?>
